Medals.

Successfully complete the following in order to unlock the corresponding medals:-

A Friend in Need: Save your dying partner for the first time in Duo mode.Beginner: Get a "B" or better rank in Missions 2-1, 2-2, and 2-3.Boom!: Get 100 headshots.Bright Future: Defeat a parasite with a flash grenade.Can't Touch This: Successfully complete a mission on or above Mission Level 4 without taking any damage.Captain: Get a "B" or better rank in Missions 5-1, 5-2, 5-3, 5-4, and 5-5.Chicken Hunter Portable: Destroy your first chicken.Counter Shoot: Shoot down 20 enemy projectiles.Dead Rising: Kill 53,594 enemies.Dressed to Kill: Unlock all costumes.Good Combination: Successfully complete a mission with a partner.Hero: Get a "B" or better rank in Mission 5-5 to unlock the Ex missions. Then, get a "B" or better rank in Missions Ex-1, Ex-2, Ex-3, Ex-4, Ex-5, Ex-6, Ex-7, Ex-8, and Ex-9.Highly Decorated Medal: Unlock all other medals.How to Kill: Successfully complete 10 waves in Survival Mission mode.In the Buff: Successfully complete a mission with rank an "A" or better on or above Mission Level 4 without using any skills.Iron Fist: Successfully complete a mission by defeating all enemies with a combo.Jack of All Trades: Play with all characters.Leave No Stone Unturned: Play every map more than once.Let's Work Together: Play Duo mode for the first time.Like A Phoenix: Recover from Dying status 50 times in Solo.Master of Unlocking: Unlock all characters.Me, I Prefer Fists: Crush your enemy with a hand-to hand combat blow after shooting them.Me, I Prefer Guns: Kill all enemies by gunshot on any mission on or above Mission Level 4.Meat Shower: Kill 3 enemies with 1 hand grenade.Mr. Death: Successfully complete 15 waves in Survival Mission.Newcomer: Get a "B" or better rank in Missions 1-1, 1-2, and 1-3.No Fear: Perform 30 taunts near an enemy.No Guts, No Glory: Continue 30 times.No Turning Back: Successfully complete a mission without using the Quick Turn even once.Now That's Dedication!: Play the game for 14 days straight.One (Thousand) Down...: Kill 1,000 enemies.Only One: Successfully complete a mission on or above Mission Level 4 using only one of the weapons in your arsenal.Opening A Dojo: See all of the hand-to-hand combat moves for any one character.Original Eleven: Successfully complete all missions with an "SS" rank.Party Pooper: Blow an enemy up by shooting the dynamite.Perfect Alliance: Successfully complete any mission with an "SS" rank with a partner.Perfection: Successfully complete a mission without ever missing a shot (100% accuracy rate).Platoon of Two: Perform five Melee attacks in a row during one turn. (Duo only)Rookie: Get a "B" or better rank in Missions 3-1, 3-2, 3-3, 3-4, and 3-5.S.T.A.R.S.: Get an "A" or better rank in all missions.See What You Did There: Set off a Proximity Bomb by shooting it.Skill Captor: Obtain 15 skills.Skill Master: Max out all skills (except Infinity 7).Social Butterfly: Play Duo mode 50 times.Strike From Behind: Attack an Executioner Majini Black, Red, and Garrador (claw) in their weak point in the back.Super Combo: Successfully complete a mission on or above Mission Level 4 with a combo amount above 50.The Old Banana Trick: Cause a running enemy to fall over by shooting.The Wesker Special: Drop an enemy into magma.Ultra Combo: Successfully complete a mission on or above Mission Level 4 with a combo amount above 100.Veteran: Get a "B" or better rank in Missions 4-1, 4-2, 4-3, 4-4, and 4-5.